A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5910-01-181-8978
NSN 6135-01-290-6487
NSN 4140-00-910-1735
NSN 6135-01-447-3086
NSN 5960-01-161-8636
NSN 5915-01-325-5376
NSN 5985-01-201-8576
NSN 6645-01-428-3576
NSN 5960-01-617-6345
NSN 6650-01-437-8852
NSN 5965-01-455-3738
NSN 6650-00-834-9062